Coalition sources say following changes to the use of the AstraZeneca vaccine, and the uncertainty around Johnson & Johnson, all options have  to be considered to keep the vaccination programme on track. Photograph: Getty Images

Senior medics and experts have urged caution on extending the gap between doses of Covid-19 vaccines, saying a significant benefit to the vaccination (...)

‘Early data shows that the first dose of the two-dose Pfizer and Moderna mRNA vaccines is highly effective.’

To extend or not to extend, that is the question. At a time of scarce Covid-19 vaccine supplies, the debate rages as to whether it is a good idea to (...)

Acting chief medical officer Dr Ronan Glynn said there was no point in updating advice on the gap between Covid-19 vaccine doses until the European Medicines Agency  advises on the use of Johnson & Johnson vaccine later this week. Photograph: Stephen Collins/Collins Photos

The Government is to wait until there is clarity on the use of the single-shot Johnson & Johnson vaccine before deciding whether to further increa(...)

Philip Boucher-Hayes: always knowledgeable but sometimes a victim of his natural confidence

Teachers may disagree, but Philip Boucher-Hayes is surely right when he says Monday’s full reopening of schools will prompt a “collective sigh of reli(...)

Grafton Street in Level 5 lockdown. Photograph: Brian Lawless/PA Wire

Who is most responsible for spreading Covid-19 in Ireland? Somebody McSomebody. Among the acts of genius in Anna Burns’s great novel Milkman is the w(...)

Average daily cases of Covid-19 have been stalled for weeks. File photograph: Niall Carson/PA Wire

Amid warnings of a fourth wave of Covid-19, there now is a mixture of fear and resignation in Government: fear about the sudden rise in cases, and res(...)

Obsessing about zero Covid means emerging data about indoors versus outdoors, dosing intervals, vaccine efficacy in total or in various age groups and all of the emerging evidence about what works (or doesn’t) is neglected

Peter Thiel, co-founder of payments firm Paypal and a beneficiary of an early investment in Facebook, became prominent not just for his billions but h(...)

Seating on Blackrock main street in Dublin last September. We all understand that there is an official desire to reduce public movement of any kind, but at some stage scientific optimality has to give way to common sense

We have already been warned by public health officials. It will have to be an “outdoors summer” this year in Ireland. For that we need to quickly bui(...)

Prof Anthony Staines, who advocates a zero-Covid approach, says there are risks to reopening schools, but a phased approach is more sensible than a ‘big bang’. Photograph: Alan Betson

Schools are finally set to reopen on a phased basis to more than a million pupils and teachers. But how safe will school settings be? Will reopening (...)

Prof Anthony Staines of Dublin City University believes there should be a ban on flights “from everywhere”. Photograph: Getty Images

The Government’s continuing failure to introduce mandatory hotel quarantine for many travellers is undermining public compliance with lockdown, accord(...)

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